Finding the Fourth Proportional to 354,929.40, 532,394.10 and 327,895.80
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Solution
The fourth proportional to 354,929.40, 532,394.10 and 327,895.80 is: 491,843.70
Step by Step Solution
- Step 1: Write the proportion equation
354,929.40 : 532,394.10 = 327,895.80 : x - Step 2: Convert to fraction form
354,929.40/532,394.10 = 327,895.80/x - Step 3: Cross multiply
354,929.40x = 532,394.10 × 327,895.80 - Step 4: Simplify right side
354,929.40x = 174,569,789,334.78 - Step 5: Solve for x
x = 174,569,789,334.78/354,929.40 - Step 6: Final answer
x = 491,843.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.